Handbook of early language impairment in children:  nature/ 
Thomas L. Layton...[et al.]. 
 - New York:  Delmar,  c2000. 
 - xix,426p.; 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0827375239 
<br/><br/><label>Subjects--Topical Terms: </label><br/>language impairment
<br/><br/><label>LC Class. No.: </label>RJ496.L35H36 2000